#define _CRT_SECURE_NO_WARNINGS 1
#include<cstdio>
//int main()
//{
//	double a = 3.65;
//	printf("%.1lf", a);
//	printf("%.1lf", a);
//	return 0;
//}

const double MINN = 0.0000001;

int main()
{
	double a = 3.652;
	printf("%.1lf", a);
	
	
}